One angle of a triangle has a measure of 66. The measure of the third angle is 57 more than half the measure of the second angle. The sum of the angle measures of a triangle is 180

What is 9/10 divided by (-3/5) ?

which value of x would make a polynomial equal to zero if the factors of the polynomial were (x+3) and (x+12)

220% as a decimal and mixed number or fraction.

4 sisters share 3 pies equally.

Tom is going for a run. He runs for 12.5 miles at a speed of 5 miles per hour. For how many hours does he run? 2.5 hours, right?

Find the volume of a pyramid with a square base, where the perimeter of the base is 12.8 m and the height of the pyramid is 17 m. Round your answer to the nearest tenth of a cubic meter.

The area of a trapezium shaped field is 480m^2, the distance between two parallel Sides 15 m and one of the parallel sides is 20m. Find the other parallel side I will mark as brain lies

Chemists measure the acidity of an aqueous solution using pH. The pH is pH=-log-10[H^+] where pH is a measure of hydrogen ion concentration [H^+] measured in moles of hydrogen per liter of a solution. Find the pH of a solution if [H^+]=5.5x10^-12.

I think of a number, multiply it by 2, subtract 5 and multiply the result by 3 Write it as a algebraic question and any number being x

Whats the area of 18 inches 24 inches and 26 inches